Lupus Nox
6
Q:

generate random light colors programatically in android

<?xml version="1.0" encoding="utf-8"?>
<resources>

<item name="blue" type="color">#FF33B5E5</item>
<item name="purple" type="color">#FFAA66CC</item>
<item name="green" type="color">#FF99CC00</item>
<item name="orange" type="color">#FFFFBB33</item>
<item name="red" type="color">#FFFF4444</item>
<item name="darkblue" type="color">#FF0099CC</item>
<item name="darkpurple" type="color">#FF9933CC</item>
<item name="darkgreen" type="color">#FF669900</item>
<item name="darkorange" type="color">#FFFF8800</item>
<item name="darkred" type="color">#FFCC0000</item>

<integer-array name="androidcolors">
    <item>@color/blue</item>
    <item>@color/purple</item>
    <item>@color/green</item>
    <item>@color/orange</item>
    <item>@color/red</item>
    <item>@color/darkblue</item>
    <item>@color/darkpurple</item>
    <item>@color/darkgreen</item>
    <item>@color/darkorange</item>
    <item>@color/darkred</item>
</integer-array>

</resources>
0
Random rnd = new Random();
paint.setARGB(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256));
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final Random mRandom = new Random(System.currentTimeMillis());

public int generateRandomColor() {
    // This is the base color which will be mixed with the generated one
    final int baseColor = Color.WHITE;

    final int baseRed = Color.red(baseColor);
    final int baseGreen = Color.green(baseColor);
    final int baseBlue = Color.blue(baseColor);

    final int red = (baseRed + mRandom.nextInt(256)) / 2;
    final int green = (baseGreen + mRandom.nextInt(256)) / 2;
    final int blue = (baseBlue + mRandom.nextInt(256)) / 2;

    return Color.rgb(red, green, blue);
}
0

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